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a 500 kilogram kid stands at the rim of a merry-go-round of radius 240 meter rotating with an angular speed of 240
a sports car starts from rest on a circular track of radius 537 meter the cars speed increases at the constant rate of
brass is an alloy of copper and zinc does the addition of zinc to copper reason an increase or decrease in the speed of
the average speed of a nitrogen molecule in air is about 670 e2ms and its mass is about 468e-26 kilograma if it takes
in the thorium decay chain how much energy is released in total per initial thorium atomhow many watts of power would a
a tennis player receives a shot with the ball 00600 kilogram traveling horizontally at 500 ms and returns the shot with
if you apply a force of 10 newton to a cart of mass 10 kilogram with negligible friction find what do you expect the
a 650kg elevator starts from rest it moves upward for 30s by constant acceleration until it reaches its cruising speed
a computer disk is 80 centimeter in diameter a reference dot on the edge of the disk is initially located at theta 45
a 55 kilogram gymnast hangs vertically from a pair of parallel ringsa if the ropes supporting the rings are attached to
the threshold of dark-adapted scotopic vision is 40 pwm-2nbspat a central wavelength of 500 nanometer note 1pw is 1 x
the length of a simple pendulum is 074 m and the mass of the particle the bob at the end of the cable is 025 kg the
the average intensity of light emerging from a polarizing sheet is 0707 wm2 and the average intensity of the
an object is moving along a straight line and the uncertainty in its position is 07 ma discover the minimum uncertainty
a 1400 kilogram race car can go from 0 to100 kmh in 60 second determine what average power is required to do
a thin circular hoop of mass 100 kg and radius 200 m is rotating round an axis during its center a perpendicular to its
two sources of sound of equivalent loudness have frequencies of 448 hertz and 452 hertz find how many beats per second
a 1000 m long sight rod is viewed by a theodolite which has an objective lens of focal length 240mm the centre support
the speed of a wave on a string is 30 ms the string is 30 meter long and fixed at both ends if the mass of the string
the speed of a wave on a string is 30 ms the string is 30 meter long and fixed at both ends find the lowest resonant
an object 3 cm high is placed 6 cm from a perspex plano-concave lens that has a radius of curvature of 6 cm take the
a laboratory with two bricks total mass is 6 kilogram is held at rest on frictionless horizontal table a 1 kilogram
a mass is hung from a 25 centimeter string the string is pulled aside a distance of 15 centimeter and released find
two flat surfaces are exposed to a uniform horizontal magnetic field of magnitude 049 t when viewed edge-on the first
a 3 g object undergoing simple harmonic motion given by s 25m cos t x 10sec find the maximum kinetic energy for the